公开(公告)号：US11434172B2

公开(公告)日：2022-09-06

申请号：US17289975

申请日：2019-10-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Shigekazu Tomai ,  Yoshihiro Ueoka ,  Satoshi Katsumata ,  Kenichi Sasaki ,  Masashi Oyama

IPC: H01B1/08 ,  C04B35/453

Abstract: A sintered body, containing zinc, magnesium and oxygen as constituent elements, wherein the atomic ratio of zinc to the sum of zinc and magnesium [Zn/(Zn+Mg)] is 0.20 to 0.75, the atomic ratio of magnesium to the sum of zinc and magnesium [Mg/(Zn+Mg)] is 0.25 to 0.80, and the sintered body consists of a single crystal structure as measured by X-ray diffraction.

公开(公告)号：US12205992B2

公开(公告)日：2025-01-21

申请号：US17598817

申请日：2020-03-26

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Emi Kawashima ,  Kazuyoshi Inoue ,  Masashi Oyama ,  Masatoshi Shibata

IPC: H01L29/24 ,  H01L21/02 ,  H01L29/04 ,  H01L29/66 ,  H01L29/786

Abstract: A crystalline oxide thin film contains an In element, a Ga element and an Ln element, in which the In element is a main component, the Ln element is at least one element selected from the group consisting of La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and an average crystal grain size D1 is in a range from 0.05 μm to 0.5 μm.